Sword Saint Isshin Ashina
Main Story -- Ashina Reservoir
Difficulty
Extreme (5/5)
Death Blows
4
Location
Ashina Reservoir
Type
Main Story
PvE Rating
★★★★★
Description
Isshin Ashina in his prime, resurrected through the power of the Mortal Blade from Genichiro's body. The true final boss of Sekiro, he fights with a sword, spear, gun, and lightning across four brutal phases.
Strengths
- +Four phases with completely different movesets
- +Phase 2 spear + gun combo is extremely hard to read
- +Lightning attacks in phase 3 demand precise timing
- +Very high vitality and posture across all phases
Weaknesses
- -Mikiri Counter
- -Lightning reversal
- -Ichimonji
Rewards
Memory: Saint IsshinDragon Flash
Key Attacks
Ashina CrossSpear combo (phase 2-3)Wind slashGlock shot (phase 2)Lightning attacks (phase 3)
Tips & Strategy
- 1Phase 1 (Genichiro): Defeat him quickly -- he is weaker than the castle version.
- 2Phase 2: Mikiri Counter his spear thrusts for the biggest posture damage opportunity.
- 3Phase 2: When he pulls out the gun, dodge sideways and punish the recovery.
- 4Phase 3: Jump and redirect his lightning attacks -- this deals massive damage and stuns him.
- 5This is the hardest boss in the game. Be patient, learn his patterns, and do not get greedy.